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Finding the Fourth Proportional to 497,071.77, 685,959.06 and 270,717.27

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Solution

The fourth proportional to 497,071.77, 685,959.06 and 270,717.27 is: 373,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,071.77 : 685,959.06 = 270,717.27 : x
  2. Step 2: Convert to fraction form
    497,071.77/685,959.06 = 270,717.27/x
  3. Step 3: Cross multiply
    497,071.77x = 685,959.06 × 270,717.27
  4. Step 4: Simplify right side
    497,071.77x = 185,700,964,054.97
  5. Step 5: Solve for x
    x = 185,700,964,054.97/497,071.77
  6. Step 6: Final answer
    x = 373,589.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.